Search a number
-
+
38455663684413 = 31741139331399727
BaseRepresentation
bin10001011111001101010000…
…01011000110101100111101
312001011022210022200200101110
420233212220023012230331
520020024144400400123
6213442142113232233
711046221123666613
oct1057465013065475
9161138708620343
1038455663684413
1111286a56681658
124390b6bb62679
13185c4799058c1
1496d39a7c36b3
1546a4c0331493
hex22f9a82c6b3d

38455663684413 has 64 divisors (see below), whose sum is σ = 56183976898560. Its totient is φ = 23300508211200.

The previous prime is 38455663684337. The next prime is 38455663684589. The reversal of 38455663684413 is 31448636655483.

It is a happy number.

It is not a de Polignac number, because 38455663684413 - 210 = 38455663683389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38455663684213) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 96004956 + ... + 96404682.

It is an arithmetic number, because the mean of its divisors is an integer number (877874639040).

Almost surely, 238455663684413 is an apocalyptic number.

It is an amenable number.

38455663684413 is a deficient number, since it is larger than the sum of its proper divisors (17728313214147).

38455663684413 is a wasteful number, since it uses less digits than its factorization.

38455663684413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400258.

The product of its digits is 597196800, while the sum is 66.

The spelling of 38455663684413 in words is "thirty-eight trillion, four hundred fifty-five billion, six hundred sixty-three million, six hundred eighty-four thousand, four hundred thirteen".

Divisors: 1 3 17 41 51 123 139 331 417 697 993 2091 2363 5627 5699 7089 13571 16881 17097 40713 46009 96883 138027 230707 290649 399727 692121 782153 1199181 1886369 2346459 5659107 6795359 16388807 20386077 32068273 49166421 55562053 96204819 132309637 166686159 278609719 396928911 835829157 944554901 2249263829 2278044173 2833664703 5424695117 6747791487 6834132519 16274085351 18391039543 38726750941 55173118629 92219816989 116180252823 276659450967 312647672231 754032621263 937943016693 2262097863789 12818554561471 38455663684413